Home / 27,847.86-38,426.49-15,911.97

Finding the Fourth Proportional to 27,847.86, 38,426.49 and 15,911.97

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Solution

The fourth proportional to 27,847.86, 38,426.49 and 15,911.97 is: 21,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.86 : 38,426.49 = 15,911.97 : x
  2. Step 2: Convert to fraction form
    27,847.86/38,426.49 = 15,911.97/x
  3. Step 3: Cross multiply
    27,847.86x = 38,426.49 × 15,911.97
  4. Step 4: Simplify right side
    27,847.86x = 611,441,156.09
  5. Step 5: Solve for x
    x = 611,441,156.09/27,847.86
  6. Step 6: Final answer
    x = 21,956.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.